Re: Questions on "Calling PC Commands from RPG" article

> cmd.exe "understands" Start. (I'm guessing Start is an "internal"
command,
> like the DIR command?
Probably right, I hadn't thought about it in those terms.

>On a command line, type "Start /?" to see a
> description; I didn't see anything that might relate to the current
issue.)
> I tried "Start winword.exe" from cmd.exe, and Word started up fine. Did
the
> same using the java program, and got the same IO exception error.
>
> Hmmm. I prefixed the path to winword.exe for the java program, and that
> worked. I checked the PATH environment variable, and that path is not in
> there. Hmmm. How did cmd.exe find where windword.exe was?

Ah the joys of unravelling all the perculiarities of Windows :-)  You're
right tho, I tried a few similar things, if at the command prompt you type
"winword" it tells you (correctly) that it can't find it on the PATH
statement, yet if you do "start winword" it magically finds it.  I suspect
its looking down some list of installed applications that it "knows about"
in the registry and can find their paths from there.  But at least now you
know all this you can take it into account when designing how your RPG app
will invoke these functions.

We're straying away from iSeries here so leave it at that, but certainly
I've found out some useful info I didn't know before.

Regards,

Nigel Gay,
Computer Patent Annuities.



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